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Peter Anvin" , the arch/x86 maintainers , Josh Poimboeuf , Jiri Kosina , Miroslav Benes , Petr Mladek , Joe Lawrence , Shuah Khan , "Konrad Rzeszutek Wilk" , Tim Chen , Sebastian Andrzej Siewior , Mimi Zohar , Juergen Gross , Nick Desaulniers , Nayna Jain , Masahiro Yamada , Joerg Roedel , "open list:KERNEL SELFTEST FRAMEWORK" , stable Subject: RE: [RFC][PATCH 1/2] x86: Allow breakpoints to emulate call functions Thread-Topic: [RFC][PATCH 1/2] x86: Allow breakpoints to emulate call functions Thread-Index: AQHVBLOOpe57oOoUm0iPpfi6TWW3V6ZfXgyA Date: Tue, 7 May 2019 09:18:51 +0000 Message-ID: References: <20190502202146.GZ2623@hirez.programming.kicks-ass.net> <20190502185225.0cdfc8bc@gandalf.local.home> <20190502193129.664c5b2e@gandalf.local.home> <20190502195052.0af473cf@gandalf.local.home> <20190503092959.GB2623@hirez.programming.kicks-ass.net> <20190503092247.20cc1ff0@gandalf.local.home> <2045370D-38D8-406C-9E94-C1D483E232C9@amacapital.net> <20190506081951.GJ2606@hirez.programming.kicks-ass.net> <20190507085753.GO2606@hirez.programming.kicks-ass.net> In-Reply-To: <20190507085753.GO2606@hirez.programming.kicks-ass.net> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 X-MC-Unique: vfktmACVNDKgwMnn5zucnQ-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogUGV0ZXIgWmlqbHN0cmENCj4gU2VudDogMDcgTWF5IDIwMTkgMDk6NTgNCi4uLg0KPiAr CS8qDQo+ICsJICogV2hlbiB3ZSdyZSBoZXJlIGZyb20ga2VybmVsIG1vZGU7IHRoZSAoZXhjZXB0 aW9uKSBzdGFjayBsb29rcyBsaWtlOg0KPiArCSAqDQo+ICsJICogNCo0KCVlc3ApIC0gPHByZXZp b3VzIGNvbnRleHQ+DQo+ICsJICogMyo0KCVlc3ApIC0gZmxhZ3MNCj4gKwkgKiAyKjQoJWVzcCkg LSBjcw0KPiArCSAqIDEqNCglZXNwKSAtIGlwDQo+ICsJICogMCo0KCVlc3ApIC0gb3JpZ19lYXgN Cg0KQW0gSSByaWdodCBpbiB0aGlua2luZyB0aGF0IHRoaXMgaXMgdGhlIG9ubHkgJ0lOVDMnIHN0 YWNrIGZyYW1lIHRoYXQNCm5lZWRzIHRvIGJlICdmaWRkbGVkJyB3aXRoPw0KQW5kIHRoYXQgdGhl ICdlbXVsYXRlIGEgY2FsbCBpbnN0cnVjdGlvbicgaGFzIHZlcmlmaWVkIHRoYXQgaXMgdGhlIGNh c2U/Pw0KU28gdGhlICVjcyBpcyBhbHdheXMgdGhlIGtlcm5lbCAlY3MuDQoNCklmIHRoZSAnY2Fs bCB0YXJnZXQnIGFkZHJlc3MgaXMgc2F2ZWQgaW4gYSBwZXItY3B1IGxvY2F0aW9uIGl0IG91Z2h0 DQp0byBiZSBwb3NzaWJsZSB0byBnZXQgdGhlIGNvZGUgdGhhdCByZXR1cm5zIGZyb20gdGhlIElO VDMgd2l0aCB0aGUNCmNhbGwgdGFyZ2V0IGFkZHJlc3MgKG9yIHplcm8pIGluICVheC4NCklmIG5v bi16ZXJvLCBpbnN0ZWFkIG9mICdwb3AgJWF4OyBpcmV0JyBleGVjdXRlOg0KCXhjaGcgJWVheCwg NCglZXNwKSAgIC0gc3dhcCBmdW5jdGlvbiBhZGRyZXNzIGFuZCBjYWxsZXJzIGlwDQoJcHVzaCAx MiglZXNwKSAgICAgICAgLSBvbGQgZmxhZ3MNCgltb3YgIDE0KCVlc3ApLCVlYXggICAtIGNhbGxl cnMgYWRkcmVzcyBvdmVyIGZsYWdzDQoJcG9wZiAgICAgICAgICAgICAgICAgLSBlbmFibGVzIGlu dGVycnVwdHMgKGV0YykNCglwb3AgICVlYXgNCglyZXRmICAgICAgICAgICAgICAgICAtIEp1bXAg dG8gY2FsbGVkIGZ1bmN0aW9uIGFuZCByZW1vdmUgJWNzDQoNCk5vdGhpbmcgZWxzZSBuZWVkcyB0 byBiZSBtb3ZlZC4NCg0KCURhdmlkDQoNCgkNCg0KLQ0KUmVnaXN0ZXJlZCBBZGRyZXNzIExha2Vz aWRlLCBCcmFtbGV5IFJvYWQsIE1vdW50IEZhcm0sIE1pbHRvbiBLZXluZXMsIE1LMSAxUFQsIFVL DQpSZWdpc3RyYXRpb24gTm86IDEzOTczODYgKFdhbGVzKQ0K